package com.org.interceptors;

import com.org.utils.JwtUtil;
import com.org.utils.ThreadLocalUtil;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpServletResponse;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.StringRedisTemplate;
import org.springframework.data.redis.core.ValueOperations;
import org.springframework.stereotype.Component;
import org.springframework.web.servlet.HandlerInterceptor;

import java.util.Map;

@Component
public class LoginInterceptor implements HandlerInterceptor {

    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
        //令牌验证
        //System.out.println(request.getHeader("Authorization"));
        String token = request.getHeader("Authorization");
        //验证token
        try {
            Map<String, Object> claims = JwtUtil.parseToken(token);
            //业务数据存储到ThreadLocal中
            ThreadLocalUtil.set(claims);

            return true;    //放行
        } catch (Exception e) {
            //Http响应状态码为401
            response.setStatus(401);
            return false;   //不放行
        }
    }

    @Override
    public void afterCompletion(HttpServletRequest request, HttpServletResponse response, Object handler, Exception ex) throws Exception {
        //清空ThreadLocal中的数据
        ThreadLocalUtil.remove();
    }
}
